Which Happened First?

Discovery of samarium

Discovery of samarium
Image: Tomihahndorf · Public domain · source

Samarium is a chemical element; it has symbol Sm and atomic number 62. It is a moderately hard silvery metal that slowly oxidizes in air. Being a typical member of the lanthanide series, samarium usually has the oxidation state +3.

Summary from Wikipedia (CC BY-SA 4.0) · Dates from Wikidata (CC0)

Which happened first?

Timeline

  1. Discovery of holmium1878
  2. Discovery of ytterbium1878
  3. Discovery of samarium (this page)1879
  4. Discovery of scandium1879
  5. Discovery of thulium1879
  6. Discovery of gadolinium1880

Related

Play a round with Science · 19th century